生产物料实行（）哪三定原则。
A、定位置
B、定时
C、定区域
D、定数量
参考答案：A, C, D
当发现镜头不清洁时，除去污物的正确方法应该是( )。
A．用手擦
B．用毛巾擦
C．用擦镜纸擦
D．用水洗
In relation to the Enterprise Bankruptcy Law of China:
(c) State the persons who are NOT permitted to be appointed as a bankruptcy administrator. (3 marks)
